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Mollweide projection of bayestar.fits bayestar.png. Submitted by LIGO/Virgo EM Follow-Up on Apr 8, 2019 18:52:21 UTC

A week into the 3rd @LIGO @ego_virgo Observing Run and our first candidate has been posted to GraceDB - the #GravitationalWave candidate event database: say hello to S190408an! More info, including a map of its likely sky location, at https://gracedb.ligo.org/superevents/S190408an/view/ …

Stay tuned this week for more about our #GravitationalWave candidate events: how often to expect them, how to access the alert info and what it means. And remember, we're expecting *lots* of #O3 events and the alerts will be public! https://emfollow.docs.ligo.org/userguide/

GraceDB — Gravitational Wave Candidate Event Database